000 00300nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aWHO Bulletin
245 _aWHO Bulletin : 1990 : Volume 68(4-6) : Shelf 23.3
260 _bWorld Health Organization
_c1990
300 _a813p.
650 _aWHO Bulletin
999 _c5214
_d5214